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Available in 11 languages" > <label id="p-lang-btn-label" for="p-lang-btn-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--action-progressive mw-portlet-lang-heading-11" aria-hidden="true" ><span class="vector-icon mw-ui-icon-language-progressive mw-ui-icon-wikimedia-language-progressive"></span> <span class="vector-dropdown-label-text">11 languages</span> </label> <div class="vector-dropdown-content"> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li class="interlanguage-link interwiki-ar mw-list-item"><a href="https://ar.wikipedia.org/wiki/%D8%AA%D8%B1%D9%8A%D8%B4_(%D8%B7%D9%8A%D9%88%D8%B1)" title="تريش (طيور) – Arabic" lang="ar" hreflang="ar" data-title="تريش (طيور)" data-language-autonym="العربية" data-language-local-name="Arabic" class="interlanguage-link-target"><span>العربية</span></a></li><li class="interlanguage-link interwiki-ca mw-list-item"><a href="https://ca.wikipedia.org/wiki/Emplomada" title="Emplomada – Catalan" lang="ca" hreflang="ca" data-title="Emplomada" data-language-autonym="Català" data-language-local-name="Catalan" class="interlanguage-link-target"><span>Català</span></a></li><li class="interlanguage-link interwiki-es mw-list-item"><a href="https://es.wikipedia.org/wiki/Emplumecer" title="Emplumecer – Spanish" lang="es" hreflang="es" data-title="Emplumecer" data-language-autonym="Español" data-language-local-name="Spanish" class="interlanguage-link-target"><span>Español</span></a></li><li class="interlanguage-link interwiki-eo mw-list-item"><a href="https://eo.wikipedia.org/wiki/Elnesti%C4%9Do" title="Elnestiĝo – Esperanto" lang="eo" hreflang="eo" data-title="Elnestiĝo" data-language-autonym="Esperanto" data-language-local-name="Esperanto" class="interlanguage-link-target"><span>Esperanto</span></a></li><li class="interlanguage-link interwiki-fa mw-list-item"><a href="https://fa.wikipedia.org/wiki/%D8%AC%D9%88%D8%AC%D9%87_%D9%BE%D8%B1%D9%88%D8%A7%D8%B2%DB%8C" title="جوجه پروازی – Persian" lang="fa" hreflang="fa" data-title="جوجه پروازی" data-language-autonym="فارسی" data-language-local-name="Persian" class="interlanguage-link-target"><span>فارسی</span></a></li><li class="interlanguage-link interwiki-fr mw-list-item"><a href="https://fr.wikipedia.org/wiki/Jeune_%C3%A0_l%27envol" title="Jeune à l'envol – French" lang="fr" hreflang="fr" data-title="Jeune à l'envol" data-language-autonym="Français" data-language-local-name="French" class="interlanguage-link-target"><span>Français</span></a></li><li class="interlanguage-link interwiki-he mw-list-item"><a href="https://he.wikipedia.org/wiki/%D7%A4%D7%A8%D7%97%D7%95%D7%9F" title="פרחון – Hebrew" lang="he" hreflang="he" data-title="פרחון" data-language-autonym="עברית" data-language-local-name="Hebrew" class="interlanguage-link-target"><span>עברית</span></a></li><li class="interlanguage-link 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id="siteSub" class="noprint">From Wikipedia, the free encyclopedia</div> </div> <div id="contentSub"><div id="mw-content-subtitle"></div></div> <div id="mw-content-text" class="mw-body-content"><div class="mw-content-ltr mw-parser-output" lang="en" dir="ltr"><div class="shortdescription nomobile noexcerpt noprint searchaux" style="display:none">Bird, bat or other flighted creature learning how to fly</div> <style data-mw-deduplicate="TemplateStyles:r1236090951">.mw-parser-output .hatnote{font-style:italic}.mw-parser-output div.hatnote{padding-left:1.6em;margin-bottom:0.5em}.mw-parser-output .hatnote i{font-style:normal}.mw-parser-output .hatnote+link+.hatnote{margin-top:-0.5em}@media print{body.ns-0 .mw-parser-output .hatnote{display:none!important}}</style><div role="note" class="hatnote navigation-not-searchable">This article is about stages of a bird's life. For the <i>Narnia</i> character, see <a href="/wiki/List_of_characters_in_The_Chronicles_of_Narnia" class="mw-redirect" title="List of characters in The Chronicles of Narnia">List of characters in The Chronicles of Narnia</a>.</div> <p class="mw-empty-elt"> </p> <figure class="mw-default-size" typeof="mw:File/Thumb"><a href="/wiki/File:Mimus_polyglottos_(Mockingbird_Fledgling).jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/b/bf/Mimus_polyglottos_%28Mockingbird_Fledgling%29.jpg/180px-Mimus_polyglottos_%28Mockingbird_Fledgling%29.jpg" decoding="async" width="180" height="370" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/b/bf/Mimus_polyglottos_%28Mockingbird_Fledgling%29.jpg/270px-Mimus_polyglottos_%28Mockingbird_Fledgling%29.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/b/bf/Mimus_polyglottos_%28Mockingbird_Fledgling%29.jpg/360px-Mimus_polyglottos_%28Mockingbird_Fledgling%29.jpg 2x" data-file-width="1960" data-file-height="4032" /></a><figcaption>Fledging stage of the <a href="/wiki/Northern_mockingbird" title="Northern mockingbird">northern mockingbird</a> (<i>Mimus polyglottos</i>)</figcaption></figure> <p><b>Fledging</b> is the stage in a <a href="/wiki/Flying_animal" class="mw-redirect" title="Flying animal">flying animal</a>'s life between <a href="/wiki/Egg" title="Egg">hatching</a> or <a href="/wiki/Birth" title="Birth">birth</a> and becoming capable of flight. This term is most frequently applied to <a href="/wiki/Bird" title="Bird">birds</a>, but is also used for <a href="/wiki/Bat" title="Bat">bats</a>.<sup id="cite_ref-1" class="reference"><a href="#cite_note-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-Kunz_2005_2-0" class="reference"><a href="#cite_note-Kunz_2005-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup> For <a href="/wiki/Altricial" class="mw-redirect" title="Altricial">altricial</a> birds, those that spend more time in vulnerable condition in the <a href="/wiki/Nest" title="Nest">nest</a>, the nestling and fledging stage can be the same. For <a href="/wiki/Precocial" class="mw-redirect" title="Precocial">precocial</a> birds, those that develop and leave the nest quickly, a short nestling stage precedes a longer fledging stage.<sup id="cite_ref-3" class="reference"><a href="#cite_note-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup> </p> <figure class="mw-default-size mw-halign-left" typeof="mw:File/Thumb"><a href="/wiki/File:Swallow_chicks444.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/8/85/Swallow_chicks444.jpg/180px-Swallow_chicks444.jpg" decoding="async" width="180" height="139" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/8/85/Swallow_chicks444.jpg/270px-Swallow_chicks444.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/8/85/Swallow_chicks444.jpg/360px-Swallow_chicks444.jpg 2x" data-file-width="1600" data-file-height="1239" /></a><figcaption>A pair of <a href="/wiki/Welcome_Swallow" class="mw-redirect" title="Welcome Swallow">welcome swallow</a> chicks, <i>Hirundo neoxena</i>, taken the day after they fledged.</figcaption></figure> <p>All birds are considered to have fledged when the feathers and wing muscles are sufficiently developed for flight. A young bird that has recently fledged but is still dependent upon parental care and feeding is called a <b>fledgling</b>. People often want to help fledglings, as they appear vulnerable, but it is best to leave them alone.<sup id="cite_ref-4" class="reference"><a href="#cite_note-4"><span class="cite-bracket">[</span>4<span class="cite-bracket">]</span></a></sup> The USA National <a href="/wiki/Phenology" title="Phenology">Phenology</a> Network defines the phenophase (or life cycle stage) of fledged young for birds as "One or more young are seen recently departed from the nest. This includes young incapable of sustained flight and young which are still dependent on adults." </p><p>In many species, parents continue to care for their fledged young, either by leading them to food sources, or feeding them. Birds are vulnerable after they have left the nest, but before they can fly, though once fledged their chances of survival increase dramatically.<sup id="cite_ref-5" class="reference"><a href="#cite_note-5"><span class="cite-bracket">[</span>5<span class="cite-bracket">]</span></a></sup> </p> <figure class="mw-default-size" typeof="mw:File/Thumb"><a href="/wiki/File:Pigeon_fledgling.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/7/79/Pigeon_fledgling.jpg/180px-Pigeon_fledgling.jpg" decoding="async" width="180" height="135" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/7/79/Pigeon_fledgling.jpg/270px-Pigeon_fledgling.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/7/79/Pigeon_fledgling.jpg/360px-Pigeon_fledgling.jpg 2x" data-file-width="4000" data-file-height="3000" /></a><figcaption>A pigeon fledgling on a tiled floor</figcaption></figure> <p>One species, the <a href="/wiki/Ancient_murrelet" title="Ancient murrelet">ancient murrelet</a>, fledges two days after hatching, running from its burrow to the ocean and its calling parents. Once it reaches the ocean, its parents care for it for several weeks. Other species, such as <a href="/wiki/Guillemots" class="mw-redirect" title="Guillemots">guillemots</a> and <a href="/wiki/Terns" class="mw-redirect" title="Terns">terns</a>, leave the nesting site while they are still unable to fly. The fledging behavior of the guillemot is spectacular; the adult leads the chick to the edge of the cliff, where the colony is located, and the chick will then launch itself off, attempting to fly as far as possible, before crash landing on the ocean.<sup id="cite_ref-6" class="reference"><a href="#cite_note-6"><span class="cite-bracket">[</span>6<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading2"><h2 id="References">References</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Fledge&action=edit&section=1" title="Edit section: References"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <style data-mw-deduplicate="TemplateStyles:r1239543626">.mw-parser-output .reflist{margin-bottom:0.5em;list-style-type:decimal}@media screen{.mw-parser-output .reflist{font-size:90%}}.mw-parser-output .reflist .references{font-size:100%;margin-bottom:0;list-style-type:inherit}.mw-parser-output .reflist-columns-2{column-width:30em}.mw-parser-output .reflist-columns-3{column-width:25em}.mw-parser-output .reflist-columns{margin-top:0.3em}.mw-parser-output .reflist-columns ol{margin-top:0}.mw-parser-output .reflist-columns li{page-break-inside:avoid;break-inside:avoid-column}.mw-parser-output .reflist-upper-alpha{list-style-type:upper-alpha}.mw-parser-output .reflist-upper-roman{list-style-type:upper-roman}.mw-parser-output .reflist-lower-alpha{list-style-type:lower-alpha}.mw-parser-output .reflist-lower-greek{list-style-type:lower-greek}.mw-parser-output .reflist-lower-roman{list-style-type:lower-roman}</style><div class="reflist"> <div class="mw-references-wrap"><ol class="references"> <li id="cite_note-1"><span class="mw-cite-backlink"><b><a href="#cite_ref-1">^</a></b></span> <span class="reference-text"><style data-mw-deduplicate="TemplateStyles:r1238218222">.mw-parser-output cite.citation{font-style:inherit;word-wrap:break-word}.mw-parser-output .citation q{quotes:"\"""\"""'""'"}.mw-parser-output .citation:target{background-color:rgba(0,127,255,0.133)}.mw-parser-output .id-lock-free.id-lock-free a{background:url("//upload.wikimedia.org/wikipedia/commons/6/65/Lock-green.svg")right 0.1em center/9px no-repeat}.mw-parser-output .id-lock-limited.id-lock-limited a,.mw-parser-output .id-lock-registration.id-lock-registration a{background:url("//upload.wikimedia.org/wikipedia/commons/d/d6/Lock-gray-alt-2.svg")right 0.1em center/9px no-repeat}.mw-parser-output .id-lock-subscription.id-lock-subscription a{background:url("//upload.wikimedia.org/wikipedia/commons/a/aa/Lock-red-alt-2.svg")right 0.1em center/9px no-repeat}.mw-parser-output .cs1-ws-icon a{background:url("//upload.wikimedia.org/wikipedia/commons/4/4c/Wikisource-logo.svg")right 0.1em center/12px no-repeat}body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-free a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-limited a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-registration a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-subscription a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .cs1-ws-icon a{background-size:contain;padding:0 1em 0 0}.mw-parser-output .cs1-code{color:inherit;background:inherit;border:none;padding:inherit}.mw-parser-output .cs1-hidden-error{display:none;color:var(--color-error,#d33)}.mw-parser-output .cs1-visible-error{color:var(--color-error,#d33)}.mw-parser-output .cs1-maint{display:none;color:#085;margin-left:0.3em}.mw-parser-output .cs1-kern-left{padding-left:0.2em}.mw-parser-output .cs1-kern-right{padding-right:0.2em}.mw-parser-output .citation .mw-selflink{font-weight:inherit}@media screen{.mw-parser-output .cs1-format{font-size:95%}html.skin-theme-clientpref-night .mw-parser-output .cs1-maint{color:#18911f}}@media screen and (prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .cs1-maint{color:#18911f}}</style><cite id="CITEREFSkutch1976" class="citation book cs1">Skutch, A.F. (1976). <span class="id-lock-registration" title="Free registration required"><a rel="nofollow" class="external text" href="https://archive.org/details/parentbirdstheir0000skut_g5z4"><i>Parent Birds and Their Young</i></a></span>. Austin: University of Texas Press. <a href="/wiki/ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a> <a href="/wiki/Special:BookSources/9780292746343" title="Special:BookSources/9780292746343"><bdi>9780292746343</bdi></a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=Parent+Birds+and+Their+Young&rft.place=Austin&rft.pub=University+of+Texas+Press&rft.date=1976&rft.isbn=9780292746343&rft.aulast=Skutch&rft.aufirst=A.F.&rft_id=https%3A%2F%2Farchive.org%2Fdetails%2Fparentbirdstheir0000skut_g5z4&rfr_id=info%3Asid%2Fen.wikipedia.org%3AFledge" class="Z3988"></span></span> </li> <li id="cite_note-Kunz_2005-2"><span class="mw-cite-backlink"><b><a href="#cite_ref-Kunz_2005_2-0">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFKunzFenton2005" class="citation book cs1">Kunz, T. H.; Fenton, M. B. (2005). <i>Bat Ecology</i>. University of Chicago Press. pp. <span class="nowrap">216–</span>217. <a href="/wiki/ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a> <a href="/wiki/Special:BookSources/0226462072" title="Special:BookSources/0226462072"><bdi>0226462072</bdi></a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=Bat+Ecology&rft.pages=%3Cspan+class%3D%22nowrap%22%3E216-%3C%2Fspan%3E217&rft.pub=University+of+Chicago+Press&rft.date=2005&rft.isbn=0226462072&rft.aulast=Kunz&rft.aufirst=T.+H.&rft.au=Fenton%2C+M.+B.&rfr_id=info%3Asid%2Fen.wikipedia.org%3AFledge" class="Z3988"></span></span> </li> <li id="cite_note-3"><span class="mw-cite-backlink"><b><a href="#cite_ref-3">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFGill" class="citation book cs1">Gill, Frank. <i>Ornithology</i> (3rd ed.). New York: W.H. Freeman and Company. p. 491.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=Ornithology&rft.place=New+York&rft.pages=491&rft.edition=3rd&rft.pub=W.H.+Freeman+and+Company&rft.aulast=Gill&rft.aufirst=Frank&rfr_id=info%3Asid%2Fen.wikipedia.org%3AFledge" class="Z3988"></span></span> </li> <li id="cite_note-4"><span class="mw-cite-backlink"><b><a href="#cite_ref-4">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="http://audubonportland.org/wcc/urban/babybirds">"What to do if you find a baby bird"</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=What+to+do+if+you+find+a+baby+bird&rft_id=http%3A%2F%2Faudubonportland.org%2Fwcc%2Furban%2Fbabybirds&rfr_id=info%3Asid%2Fen.wikipedia.org%3AFledge" class="Z3988"></span></span> </li> <li id="cite_note-5"><span class="mw-cite-backlink"><b><a href="#cite_ref-5">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFGill" class="citation book cs1">Gill, Frank. <i>Ornithology</i> (3rd ed.). New York: W.H. Freeman and Company. p. 492.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=Ornithology&rft.place=New+York&rft.pages=492&rft.edition=3rd&rft.pub=W.H.+Freeman+and+Company&rft.aulast=Gill&rft.aufirst=Frank&rfr_id=info%3Asid%2Fen.wikipedia.org%3AFledge" class="Z3988"></span></span> </li> <li id="cite_note-6"><span class="mw-cite-backlink"><b><a href="#cite_ref-6">^</a></b></span> <span class="reference-text">As shown in this <a rel="nofollow" class="external text" href="https://www.youtube.com/watch?v=nLaynH-v82M">National Geographic video</a>.</span> </li> </ol></div></div> <div class="mw-heading mw-heading2"><h2 id="External_links">External links</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Fledge&action=edit&section=2" title="Edit section: External links"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><a rel="nofollow" class="external text" href="https://www.usanpn.org">USA National Phenology Network</a></li> <li><span class="noviewer" typeof="mw:File"><a href="/wiki/File:Wiktionary-logo-en-v2.svg" class="mw-file-description"><img alt="" src="//upload.wikimedia.org/wikipedia/commons/thumb/9/99/Wiktionary-logo-en-v2.svg/16px-Wiktionary-logo-en-v2.svg.png" decoding="async" width="16" height="16" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/9/99/Wiktionary-logo-en-v2.svg/24px-Wiktionary-logo-en-v2.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/9/99/Wiktionary-logo-en-v2.svg/32px-Wiktionary-logo-en-v2.svg.png 2x" data-file-width="512" data-file-height="512" /></a></span> The dictionary definition of <a href="https://en.wiktionary.org/wiki/Special:Search/fledge" class="extiw" title="wiktionary:Special:Search/fledge"><i>fledge</i></a> at Wiktionary</li> <li><span class="noviewer" typeof="mw:File"><a href="/wiki/File:Commons-logo.svg" class="mw-file-description"><img alt="" src="//upload.wikimedia.org/wikipedia/en/thumb/4/4a/Commons-logo.svg/12px-Commons-logo.svg.png" decoding="async" width="12" height="16" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/en/thumb/4/4a/Commons-logo.svg/18px-Commons-logo.svg.png 1.5x, //upload.wikimedia.org/wikipedia/en/thumb/4/4a/Commons-logo.svg/24px-Commons-logo.svg.png 2x" data-file-width="1024" data-file-height="1376" /></a></span> Media related to <a href="https://commons.wikimedia.org/wiki/Category:Fledglings" class="extiw" title="commons:Category:Fledglings">Fledglings</a> at Wikimedia Commons</li></ul>    </div><noscript><img src="https://login.wikimedia.org/wiki/Special:CentralAutoLogin/start?useformat=desktop&type=1x1&usesul3=0" alt="" width="1" height="1" style="border: none; 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